RT Journal Article SR Electronic T1 Farmyard drug use a US battlefield and a Canadian wasteland JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E565 OP E565 DO 10.1503/cmaj.109-4231 VO 184 IS 11 A1 Paul Christopher Webster YR 2012 UL http://www.cmaj.ca/content/184/11/E565.abstract